org.springframework.util.exec

Class PumpStreamHandler

java.lang.Object

org.springframework.util.exec.PumpStreamHandler

All Implemented Interfaces:

ExecuteStreamHandler

public class PumpStreamHandler
extends Object
implements ExecuteStreamHandler

Copies standard output and error of subprocesses to standard output and error of the parent process. TODO: standard input of the subprocess is not implemented.

Author:

[email protected]

Constructor Summary

Constructors

Constructor and Description
PumpStreamHandler()
PumpStreamHandler(OutputStream outAndErr)
PumpStreamHandler(OutputStream out, OutputStream err)

Method Summary

Modifier and Type	Method and Description
protected void	createProcessErrorPump(InputStream is, OutputStream os)
protected void	createProcessOutputPump(InputStream is, OutputStream os)
protected Thread	createPump(InputStream is, OutputStream os) Creates a stream pumper to copy the given input stream to the given output stream.
protected OutputStream	getErr()
protected OutputStream	getOut()
void	setProcessErrorStream(InputStream is) Install a handler for the error stream of the subprocess.
void	setProcessInputStream(OutputStream os) Install a handler for the input stream of the subprocess.
void	setProcessOutputStream(InputStream is) Install a handler for the output stream of the subprocess.
void	start() Start handling of the streams.
void	stop() Stop handling of the streams - will not be restarted.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PumpStreamHandler

public PumpStreamHandler(OutputStream out,
                         OutputStream err)

PumpStreamHandler

public PumpStreamHandler(OutputStream outAndErr)

PumpStreamHandler

public PumpStreamHandler()

Method Detail

setProcessOutputStream

public void setProcessOutputStream(InputStream is)

Description copied from interface: ExecuteStreamHandler

Install a handler for the output stream of the subprocess.

Specified by:

setProcessOutputStream in interface ExecuteStreamHandler

Parameters:

is - input stream to read from the error stream from the subprocess

setProcessErrorStream

public void setProcessErrorStream(InputStream is)

Description copied from interface: ExecuteStreamHandler

Install a handler for the error stream of the subprocess.

Specified by:

setProcessErrorStream in interface ExecuteStreamHandler

Parameters:

is - input stream to read from the error stream from the subprocess

setProcessInputStream

public void setProcessInputStream(OutputStream os)

Description copied from interface: ExecuteStreamHandler

Install a handler for the input stream of the subprocess.

Specified by:

setProcessInputStream in interface ExecuteStreamHandler

Parameters:

os - output stream to write to the standard input stream of the subprocess

start

public void start()

Description copied from interface: ExecuteStreamHandler

Start handling of the streams.

Specified by:

start in interface ExecuteStreamHandler

stop

public void stop()

Description copied from interface: ExecuteStreamHandler

Stop handling of the streams - will not be restarted.

Specified by:

stop in interface ExecuteStreamHandler

getErr

protected OutputStream getErr()

getOut

protected OutputStream getOut()

createProcessOutputPump

protected void createProcessOutputPump(InputStream is,
                                       OutputStream os)

createProcessErrorPump

protected void createProcessErrorPump(InputStream is,
                                      OutputStream os)

createPump

protected Thread createPump(InputStream is,
                            OutputStream os)

Creates a stream pumper to copy the given input stream to the given output stream.

Parameters:

is - The input stream.

os - The output stream.

Returns:

The thread.